1. noun
a) A prostitute.
My lord, she may be a punk; for many of them are neither maid, widow, nor wife.
And made them fight, like mad or drunk,For Dame Religion, as for punk.
2. adjective
Of, or resembling the punk subculture
You look very punk with your t-shirt, piercing and chains.
3. verb
a) (17th century) To pimp.
Tony punked-out Vinny when he was low on smokes.
b) To forcibly perform anal sex upon an unwilling partner.
Tony punked all his new cell-mates.
Wikipedia foundation.